18794320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8101}}^1$

素因数の和:8143

約数の個数: 40

約数和(自身を含む): 45209160

約数和(自身を除く): 26414840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8101, 16202, 32404, 40505, 64808, 81010, 129616, 162020, 234929, 324040, 469858, 648080, 939716, 1174645, 1879432, 2349290, 3758864, 4698580, 9397160, 18794320]

約数ペア:

[(1, 18794320), (2, 9397160), (4, 4698580), (5, 3758864), (8, 2349290), (10, 1879432), (16, 1174645), (20, 939716), (29, 648080), (40, 469858), (58, 324040), (80, 234929), (116, 162020), (145, 129616), (232, 81010), (290, 64808), (464, 40505), (580, 32404), (1160, 16202), (2320, 8101)]